JP2830589B2 - Elevating load support means positioning device for transfer device - Google Patents
Elevating load support means positioning device for transfer deviceInfo
- Publication number
- JP2830589B2 JP2830589B2 JP4790792A JP4790792A JP2830589B2 JP 2830589 B2 JP2830589 B2 JP 2830589B2 JP 4790792 A JP4790792 A JP 4790792A JP 4790792 A JP4790792 A JP 4790792A JP 2830589 B2 JP2830589 B2 JP 2830589B2
- Authority
- JP
- Japan
- Prior art keywords
- lower limit
- supporting means
- load supporting
- lifting
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数本のベルトなどの
吊下具により昇降可能に吊り下げられた昇降荷支持手段
を備えた搬送装置において、前記荷支持手段を下降限ま
で下降させた荷積み卸し作業状態での当該荷支持手段の
安定性を高めることの出来る、搬送装置の昇降荷支持手
段位置決め装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport device having lifting and lowering support means which can be lifted and lowered by means of a plurality of lifting devices such as belts. The present invention relates to a device for positioning a lifting / lowering load supporting means of a transport device, which can increase the stability of the load supporting means in a loading / unloading operation state.
【０００２】[0002]
【従来の技術及びその問題点】前記のような搬送装置に
おいては、昇降荷支持手段の側部にガイドローラなどを
突設しておき、荷積み卸し場所における前記荷支持手段
の下降限近傍位置に前記ガイドローラが嵌合して昇降す
るガイドレールを配設し、以て、前記荷支持手段を下降
限まで下降させた荷積み卸し作業状態での当該荷支持手
段の横揺れを防止するようにしている。2. Description of the Related Art In the above-described transfer apparatus, a guide roller or the like is protruded from a side portion of a lifting / lowering load supporting means, and a position near a lower limit of the load supporting means at a loading / unloading place. A guide rail fitted with the guide roller to ascend and descend, so that the load supporting means is prevented from rolling in the unloading operation state in which the load supporting means is lowered to the lower limit. I have to.
【０００３】しかしながら、前記ガイドレールとガイド
ローラとの間の空隙は比較的大きく、従ってこの空隙の
範囲内で荷支持手段が横揺れすることまでは防止するこ
とが出来なかった。また、このような問題点を解決する
ために、下降限まで下降した荷支持手段をストッパーで
受け止めて支持することも考えられるが、この荷支持手
段を吊り下げているベルトなどの吊下具の伸びや吊下具
繰り出し停止制御のばらつきで所定の下降限レベルより
も荷支持手段が若干でも下がるような状況では、前記ス
トッパーで荷支持手段を所定の下降限レベルで強制的に
受け止めた場合、ベルトなどの吊下具が弛むことにな
る。通常、このベルトなどの吊下具の弛み検出手段が併
設されており、当該弛み検出手段の弛み検出により一切
の動作を自動停止させるように制御されるので、前記の
ようにストッパーで強制的に荷支持手段を受け止めて下
降停止させる方法をとることは不適当である。[0003] However, the gap between the guide rail and the guide roller is relatively large, so that it was not possible to prevent the load supporting means from swaying within the gap. Further, in order to solve such a problem, it is conceivable that the load supporting means which has been lowered to the lower limit is received and supported by a stopper, but a suspending device such as a belt which suspends the load supporting means is considered. In a situation where the load support means is slightly lower than the predetermined lower limit level due to variations in elongation and suspension tool extension stop control, when the load support means is forcibly received at the predetermined lower limit level by the stopper, Hanging devices such as belts will loosen. Usually, a slack detecting means of the hanging tool such as the belt is provided, and the operation is automatically stopped by detecting the slack of the slack detecting means. It is inappropriate to adopt a method of receiving the load supporting means and stopping the load lowering.
【０００４】[0004]
【課題を解決するための手段】本発明は上記のような従
来の問題点を解決するために成されたものであって、そ
の特徴を後述する実施例の参照符号を付して示すと、本
発明の搬送装置の昇降荷支持具位置決め装置は、複数本
の吊下具１１により昇降可能に吊り下げられた荷支持手
段４を備えた搬送装置において、前記荷支持手段４の側
部に昇降被案内部１９と被当接部２０とを突設し、荷積
み卸し場所における前記荷支持手段４の下降限近傍位置
に前記昇降被案内部１９が嵌合して昇降するガイドレー
ル２１と、前記被当接部２０を支持する下降限ストッパ
ー２４とを配設し、当該下降限ストッパー２４は、一定
範囲内昇降自在に支持すると共に、上昇方向に付勢する
スプリング２７ａ，２７ｂを併設し、前記荷支持手段４
が下降限まで下降したとき、前記下降限ストッパー２４
が前記スプリング２７ａ，２７ｂの付勢力に抗して昇降
範囲内の中間レベルまで下降するように構成した点に特
徴を有する。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are indicated by reference numerals in the embodiments described later. The lifting / lowering load support tool positioning device of the transport device according to the present invention is a transport device including load support means 4 suspended by a plurality of hanging tools 11 so as to be able to move up and down. A guide rail 21 having a guided portion 19 and an abutted portion 20 projecting therefrom, and a guide rail 21 to which the lifted guided portion 19 is fitted and raised at a position near a lower limit of the load support means 4 at a loading / unloading location; A lower limit stopper 24 for supporting the abutted portion 20 is provided. The lower limit stopper 24 supports springs 27a and 27b which support the lower end stopper 24 so as to be able to ascend and descend within a certain range and urge the ascending direction. The load support means 4
Is lowered to the lower limit, the lower limit stopper 24
Is characterized in that it is configured to descend to an intermediate level within the elevating range against the urging force of the springs 27a and 27b.
【０００５】[0005]
【実施例】以下、本発明の一実施例を添付の例示図に基
づいて説明すると、図１および図２において、１は自走
電車形搬送装置であって、適当高さに架設されたガイド
レール２に案内されて自走する搬送用電車３とこれに昇
降可能に吊り下げられた荷支持手段４とから構成されて
いる。前記搬送用電車３は、従来周知のものであって、
ガイドレール２に嵌合する車輪５，６を備えた前後一対
のトロリー７，８と、前記ガイドレール２の底部を二次
導体とする推進用リニアモータ９とから構成され、前記
荷支持手段４は、駆動プーリ１０によって巻き上げ繰り
出し制御される複数本の吊下具（ベルト）１１により吊
り下げられた昇降体１２ａと、この昇降体１２ａの下側
に取付けられた荷支持具１２ｂとから構成されている。
この荷支持具１２ｂは、取り扱う荷の形状などに応じて
任意のものが使用されるが、図示例では、垂直枠部１３
の下端から横側方に片持ち状に荷支持部１４を連設した
Ｌ形のものであり、前記垂直枠部１３に一対の荷位置決
め用アーム１５が突設されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. The transport train 3 is guided by the rail 2 and runs on its own, and a load supporting means 4 suspended from the transport train 3 so as to be able to move up and down. The transport train 3 is conventionally known,
A pair of front and rear trolleys 7 and 8 having wheels 5 and 6 fitted to the guide rail 2 and a propulsion linear motor 9 having a bottom portion of the guide rail 2 as a secondary conductor; Is composed of a lifting / lowering body 12a suspended by a plurality of hanging tools (belts) 11 controlled to be wound up and out by a driving pulley 10, and a load support 12b attached below the lifting / lowering body 12a. ing.
As the load support 12b, an arbitrary one is used according to the shape of the load to be handled.
It is an L-shape having a cantilevered load supporting portion 14 connected laterally from the lower end of the vertical frame portion 13, and a pair of load positioning arms 15 projecting from the vertical frame portion 13.
【０００６】前記荷支持手段４（昇降体１２ａ）の左右
両側部にはブラケット１６が突設され、これら両ブラケ
ット１６に、前後一対の前後方向振れ止め用ガイドロー
ラ１７ａ，１７ｂと、両ガイドローラ１７ａ，１７ｂの
中間に位置する左右方向振れ止め用ガイドローラ１８と
から成る昇降被案内部１９が設けられている。また、前
記前後方向振れ止め用ガイドローラ１７ａ，１７ｂは、
被当接部２０をも構成している。[0006] Brackets 16 are protrudingly provided on both left and right sides of the load supporting means 4 (elevating body 12a), and a pair of front and rear guide rollers 17a and 17b for front and rear movement prevention are provided on both brackets 16. An ascending and descending guided portion 19 comprising a left-right direction anti-sway guide roller 18 located at an intermediate position between 17a and 17b is provided. In addition, the guide rollers 17a and 17b for the front-back direction anti-sway are
The contacted part 20 also constitutes.
【０００７】一方、前記搬送用電車３の走行経路中に設
定された荷積み卸し場所では、当該搬送用電車３を自動
停止させて前記荷支持手段４を下降限レベルまで下降さ
せ、前記荷支持具１２ｂに対する荷積み卸し作業が行わ
れるのであるが、当該荷支持手段４の下降限近傍には、
前記昇降被案内部１９の各ガイドローラ１７ａ，１７
ｂ，１８が嵌合して昇降する左右一対の昇降ガイドレー
ル２１が、固定フレーム（図示省略）に取付けられて配
設されている。On the other hand, at the loading / unloading place set in the traveling route of the transport train 3, the transport train 3 is automatically stopped, and the load supporting means 4 is lowered to the lower limit level. The loading and unloading work for the tool 12b is performed.
Each of the guide rollers 17a, 17 of the vertically guided portion 19
A pair of left and right elevating guide rails 21 which are fitted and raised by b and 18 are attached to a fixed frame (not shown).
【０００８】図２および図３に示すように前記昇降ガイ
ドレール２１は、前記前後方向振れ止め用ガイドローラ
１７ａ，１７ｂが近接する前後一対の垂直レール面２２
ａ，２２ｂと、前記左右方向振れ止め用ガイドローラ１
８が近接する垂直レール面２３とを備えたものであっ
て、各垂直レール面２２ａ〜２３の上端部は外広がりに
傾斜せしめられている。而して、当該昇降ガイドレール
２１の下端部には、前記前後方向振れ止め用ガイドロー
ラ１７ａ，１７ｂ（被当接部２０）が受け止められる下
降限ストッパー２４が、一対の昇降ガイドロッド２５
ａ，２５ｂを介して一定範囲内昇降自在に支持され、前
記昇降ガイドロッド２５ａ，２５ｂが貫通するガイドレ
ール側フレーム２６と前記下降限ストッパー２４との間
には、前記昇降ガイドロッド２５ａ，２５ｂに遊嵌する
状態で一対の圧縮コイルスプリング２７ａ，２７ｂが介
装され、当該スプリング２７ａ，２７ｂにより前記下降
限ストッパー２４が上昇限位置に保持されている。As shown in FIGS. 2 and 3, the vertical guide rail 21 is formed by a pair of front and rear vertical rail surfaces 22 where the front and rear direction guide rollers 17a and 17b are close to each other.
a, 22b and the guide roller 1 for the left-right direction anti-sway
8 has an adjacent vertical rail surface 23, and upper ends of the vertical rail surfaces 22a to 23 are inclined outwardly. At the lower end of the elevating guide rail 21, a descent limit stopper 24 that receives the front-rear direction anti-sway guide rollers 17 a and 17 b (abutted portion 20) is provided with a pair of elevating guide rods 25.
The lifting guide rods 25a, 25b are supported between the guide rail side frame 26, through which the lifting guide rods 25a, 25b pass, and the lower limit stopper 24, through the lifting guide rods 25a, 25b. A pair of compression coil springs 27a and 27b are interposed in a loosely fitted state, and the lower limit stopper 24 is held at the upper limit position by the springs 27a and 27b.
【０００９】上記の構成によれば、所定位置で搬送用電
車３を停止させ、駆動プーリ１０により吊下具（ベル
ト）１１を繰り出して荷支持手段４を下降限レベルまで
下降させると、当該荷支持手段４が下降限に到着する少
し手前から、左右両側の昇降被案内部１９における各ガ
イドローラ１７ａ，１７ｂ，１８が左右一対の昇降ガイ
ドレール２１内に夫々嵌入し、昇降体１２が下降限レベ
ルに達したときは、図２Ｂおよび図３に示すように、左
右両側の被当接部２０であるガイドローラ１７ａ，１７
ｂが下降限ストッパー２４を、その昇降範囲内の中間レ
ベルまでスプリング２７ａ，２７ｂの付勢力に抗して押
し下げて停止する。According to the above configuration, when the transport train 3 is stopped at a predetermined position, the suspension 11 (belt) is pulled out by the drive pulley 10 and the load supporting means 4 is lowered to the lower limit level. Shortly before the support means 4 arrives at the lower limit, the guide rollers 17a, 17b and 18 of the right and left guided portions 19 respectively fit into the pair of left and right lift guide rails 21, and the lifter 12 is lowered. When reaching the level, as shown in FIG. 2B and FIG. 3, the guide rollers 17a, 17 which are the abutted portions 20 on the left and right sides.
b pushes down the descent limit stopper 24 to an intermediate level within the ascending / descending range against the urging force of the springs 27a and 27b and stops.
【００１０】なお、上記実施例では、前後方向振れ止め
用ガイドローラ１７ａ，１７ｂを下降限ストッパー２４
上に当接する被当接部２０に兼用させたが、左右方向振
れ止め用ガイドローラ１８を前記被当接部２０に兼用さ
せることも出来るし、図４に示すように、前記ガイドロ
ーラ１７ａ〜１８とは別に、前記下降限ストッパー２４
上に当接する固定部材２８を前記ブラケット１６に付設
することも出来る。In the above-described embodiment, the guide rollers 17a and 17b for preventing the front-rear direction sway are moved to the lower limit stopper 24.
Although the guide portion 18 is also used for the contact portion 20 that contacts the upper portion, the guide roller 18 for preventing the steady movement in the left-right direction can also be used for the contact portion 20, or as shown in FIG. 18 separately from the lower limit stopper 24.
A fixing member 28 that abuts on the bracket 16 may be attached to the bracket 16.
【００１１】[0011]
【発明の作用及び効果】以上のように本発明の搬送装置
の昇降荷支持具位置決め装置によれば、昇降荷支持手段
を荷積み卸し場所で下降限まで下降させたとき、当該荷
支持手段側の昇降被案内部とガイドレールとの嵌合によ
り単に前記荷支持手段の横揺れを防止するだけでなく、
下降限ストッパーで前記荷支持手段側の被当接部を受け
止めて、前記荷昇降被案内部とガイドレールとの間の空
隙の範囲内での荷支持手段の僅かな横揺れも効果的に防
止することが出来る。As described above, according to the apparatus for positioning the lifting / lowering support of the transport apparatus of the present invention, when the lifting / lowering load supporting means is lowered to the lower limit at the loading / unloading place, the load supporting means side The fitting of the ascending and descending guided portion and the guide rail not only prevents the load supporting means from rolling, but also
The lower end stopper receives the abutted portion on the load supporting means side, and effectively prevents slight roll of the load supporting means within the gap between the load elevating guided part and the guide rail. You can do it.
【００１２】しかも前記下降限ストッパーは、荷支持手
段側の荷重を受けて上向き付勢力に抗して下降するの
で、仮にベルトなどの吊下具の伸びや当該吊下具の繰り
出し停止制御のばらつきで荷支持手段の下降限レベルが
下がるような状況であっても、その下がった下降限レベ
ルで荷支持手段を前記下降限ストッパーにより受け止め
ることが出来る。従って、前記下降限ストッパーが一定
レベルに固定されている場合のように、前記吊下具が弛
んで併設の弛み検出手段が作動し、一切の動作が自動停
止してしまうような不都合も生じない。In addition, the lower limit stopper receives the load on the load supporting means and descends against the upward biasing force, so that the suspension of the suspension such as the belt or the dispersion of the suspension control of the suspension of the suspension is temporarily determined. Therefore, even if the lower limit level of the load support means is lowered, the load support means can be received by the lower limit stopper at the lowered lower limit level. Therefore, unlike the case where the lower limit stopper is fixed at a certain level, there is no inconvenience that the hanging tool is loosened and the slack detecting means provided is operated and all the operations are automatically stopped. .
【００１３】特に、実施例に示したように前記下降限ス
トッパーに当接する被当接部を、前記昇降被案内部を構
成するガイドローラで兼用させるときは、使用部品点数
が少なくなって安価に実施することが出来、また、逆に
前記被当接部を、前記昇降被案内部を構成するガイドロ
ーラとは別の固定部材から構成するときは、下降限スト
ッパーとの間の摩擦を大きくして、荷支持手段の横揺れ
をより一層確実に防止することが出来る。In particular, as shown in the embodiment, when the abutted portion that abuts on the lower limit stopper is also used as the guide roller that constitutes the up-and-down guided portion, the number of parts used is reduced and the cost is reduced. On the contrary, when the contacted part is formed of a fixed member different from the guide roller constituting the vertically guided part, the friction between the stopper and the lower limit stopper is increased. As a result, the roll of the load supporting means can be prevented more reliably.
【図１】 昇降荷支持手段を備えた搬送装置を示す側面
図である。FIG. 1 is a side view showing a transport device provided with a lifting load supporting means.
【図２】 昇降荷支持手段と昇降ガイドレールとを示す
正面図（Ａ図）と、同ガイドレールに付設の下降限スト
ッパーが荷支持手段側の被当接部を受け止めた状態を示
す要部の拡大縦断正面図（Ｂ図）である。FIG. 2 is a front view (FIG. A) showing the lifting / lowering load supporting means and a lifting / lowering guide rail, and a main part showing a state where a descent limit stopper attached to the guide rail has received a contacted part on the load supporting means side; FIG. 4 is an enlarged vertical sectional front view of FIG.
【図３】 図２Ｂと同一の状態を示す縦断側面図であ
る。FIG. 3 is a vertical sectional side view showing the same state as FIG. 2B.
【図４】 要部の変形例を示す縦断側面図である。FIG. 4 is a longitudinal sectional side view showing a modification of the main part.
１ 自走電車形搬送装置 ２ ガイドレール ３ 搬送用電車 ４ 荷支持手段 １０ 駆動プーリ １１ 吊下具（ベルト） １２ａ 昇降体 １２ｂ 荷支持具 １６ ブラケット １７ａ，１７ｂ 前後方向振れ止め用ガイドローラ １８ 左右方向振れ止め用ガイドローラ １９ 昇降被案内部 ２０ 被当接部 ２１ 昇降ガイドレール ２２ａ〜２３ 垂直レール面 ２４ 下降限ストッパー ２５ａ，２５ｂ 昇降ガイドロッド ２７ａ，２７ｂ 圧縮コイルスプリング ２８ 固定部材 DESCRIPTION OF SYMBOLS 1 Self-propelled electric train type conveyance apparatus 2 Guide rail 3 Transportation electric train 4 Load support means 10 Drive pulley 11 Suspension tool (belt) 12a Lifting body 12b Load support tool 16 Bracket 17a, 17b Front-rear directional guide roller 18 Right and left direction Guide roller for steadying movement 19 Lifting guided part 20 Contact part 21 Lifting guide rail 22a-23 Vertical rail surface 24 Lowering stopper 25a, 25b Lifting guide rod 27a, 27b Compression coil spring 28 Fixing member
Claims (3)
られた荷支持手段を備えた搬送装置において、前記荷支
持手段の側部に昇降被案内部と被当接部とを突設し、荷
積み卸し場所における前記荷支持手段の下降限近傍位置
に前記昇降被案内部が嵌合して昇降するガイドレール
と、前記被当接部を支持する下降限ストッパーとを配設
し、当該下降限ストッパーは、一定範囲内昇降自在に支
持すると共に、上昇方向に付勢するスプリングを併設
し、前記荷支持手段が下降限まで下降したとき、前記下
降限ストッパーが前記スプリングの付勢力に抗して昇降
範囲内の中間レベルまで下降するように構成して成る搬
送装置の昇降荷支持手段位置決め装置。1. A transport device having a load supporting means suspended by a plurality of suspenders so as to be able to ascend and descend, wherein a vertically guided portion and a contacted portion are protruded from a side portion of the load supporting means. And a guide rail that fits and descends the lift guided portion at a position near the descent limit of the load support means at a loading / unloading location, and a descent limit stopper that supports the abutted portion is disposed. The lower limit stopper is supported in such a manner that it can be raised and lowered within a certain range, and a spring for urging in the ascending direction is also provided.When the load supporting means is lowered to the lower limit, the lower limit stopper receives the urging force of the spring. A lifting / lowering load support means positioning device for a transport device, which is configured to descend to an intermediate level within a lifting / lowering range.
するガイドローラで兼用させて成る、請求項１に記載の
搬送装置の昇降荷支持手段位置決め装置。2. The apparatus according to claim 1, wherein said contacted portion is also used as a guide roller constituting said vertically guided portion.
するガイドローラとは別の固定部材から構成されて成
る、請求項１に記載の搬送装置の昇降荷支持手段位置決
め装置。3. The apparatus according to claim 1, wherein said contacted portion is constituted by a fixed member different from a guide roller constituting said vertically guided portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4790792A JP2830589B2 (en) | 1992-02-03 | 1992-02-03 | Elevating load support means positioning device for transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4790792A JP2830589B2 (en) | 1992-02-03 | 1992-02-03 | Elevating load support means positioning device for transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05213581A JPH05213581A (en) | 1993-08-24 |
| JP2830589B2 true JP2830589B2 (en) | 1998-12-02 |
Family
ID=12788452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4790792A Expired - Fee Related JP2830589B2 (en) | 1992-02-03 | 1992-02-03 | Elevating load support means positioning device for transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2830589B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4855881B2 (en) * | 2006-09-26 | 2012-01-18 | 株式会社岡村製作所 | Positioning device for loading and unloading on rotary racks |
-
1992
- 1992-02-03 JP JP4790792A patent/JP2830589B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05213581A (en) | 1993-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980825 |
|
| LAPS | Cancellation because of no payment of annual fees |